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Pack size versus gear needs

Sooo... About to pull the trigger on a Hennessy explorer deluxe(victory!)... The next step is how to stay warm and comfy... My pack needs to be pretty light weight and carry all the odds and ends of course! I'll be running a standard sleeping bag for now, but that's all... Ooh chilly... Anyways I'm thinking of buying the nest/and sniveller combo... For you guys who may have this setup or a setup like it, what litre size dry bag should I pick up to keep it all stored in... A little on my expected setup... A 63 liter top load pack- explorer deluxe(stock) hanging with 2 carabiners and 4 descending rings- nest and sniveller all needing to fit in a dry bag! Woo, what a mouthful!

When I still had everything in one 'dry compression bag' (Ajungilak, now officially Mammut), I hope I remember correctly, that is is a 24 ltr, stated on a website here it would be 25x49 cm.

it fitted my Hennessy, No Sniveller and Highlight sleepingbag, at that time with treehuggers and standard HH suspension...

Will measure once I get back.

Since the sleeping bag takes more space then a quilt, I reckon that size should fit. Best thing would be to take it to a store and fill up a bag. A drybag normally needs to be folded over about 3 times before it is dry.

The mentioned Ajungilak has a stated watercolumn of 1500mm (if it is any help). Not sure if Ajungilak is available up in North America.

Another option might be Exped Shrink bag (a bit to heavy for my liking but eyeballing it for a while now... not that I need it, I just wants it )

Hope this helps.

Grtz Johan

***
My life is spent in one long effort to escape from the commonplaces of existence.
***

this is cut and paste from my post from another site, but you get the idea;

volume&weight of YOUR gear...

buy pack last was best advise..

your gear:
make a tall rectangular cardboard box 12"-12"-36" (or any size if you can do the math)
fill box with gear (add a bag of food to simulate volume and 12-15 lb weight)
measure height of gear in inches and multiply by 144. (this is your cubic inches of gear) ex. 24' deep=3456 cu.in.
weight box (this is your gear weight minus pack weight)
if your gear fills box and you still have more left over, your pack selection is not your immediate problem

A trash bag, contractor's bag or compactor bag might be more akin to a backpack and easier to size than a box. Just load your gear, compress as much as you dare, "mold" it into a backpack shape and measure.

"Pips"

Mountains have a dreamy way
Of folding up a noisy day​In quiet covers, cool and gray.

A trash bag, contractor's bag or compactor bag might be more akin to a backpack and easier to size than a box. Just load your gear, compress as much as you dare, "mold" it into a backpack shape and measure.

....And themselves work as a dry bag for a lot less money and weight. Unless you're paddling/kayaking and things are definitely going to get wet, a trash bag, trash compactor bag works great.

My problem with dry bags is trying to compress them a little. I'm not a fan of compressing something soft and flexible into a hard cylinder, but it's difficult to get the air out of a "right size" dry bag with down gear. Once it's closed, the air won't come out (except for the "special" ones) and my keeps wanting to pop back out while I'm rolling it and the fabric gets into the fold of dry bag. To me it works better getting one a little too large for the gear.

A trash bag, contractor's bag or compactor bag might be more akin to a backpack and easier to size than a box. Just load your gear, compress as much as you dare, "mold" it into a backpack shape and measure.

A trash bag, contractor's bag or compactor bag might be more akin to a backpack and easier to size than a box. Just load your gear, compress as much as you dare, "mold" it into a backpack shape and measure.

I use a Contractor Bag 3ml thick unless I'm canoeing then I use dry bags